Sultan Murat 4. completed Baghdad siege and asked the Iranian commander in charge to surrender. The Iranians wowed not to give Baghdad up without a fight till the last person. Thus started a three month long resistance against the Ottomans who wanted to take all of the Arab world under control. Meanwhile, Sultan Murat sent his envoy to the Safavid court for negotiations that finally led to an agreement reached on Dec, 24 same year. According to this treaty signed by Shah Safi, the Ottomans accepted to recognize Erivan as part of the Iranian realm in exchange for Baghdad. The treaty was ratified and ShahSafi sent his courier to Baghdad, asking the commander to evacuate the city and return to Hamedan with his army. Overtaking Baghdad gave Ottomans the political power they needed to rule over the Islamic world, at least the Sunni sect until the World War I....